To have a good grasp of electrical theory it is important to have a grasp of trigonometry.  Whether we are talking about single phase or polyphase power, trigonometry is a key concept.  The first part of this textbook will look at one of the most basic parts of trigonometry: the triangle.

Learning Objectives

  • Define different types of angles
  • Identify the attributes of right triangles
  • Apply Pythagoras’ theorem
  • Demonstrate trigonometry using right triangles
  • Explain impedance triangles
  • Explain power triangles
See the Trigonometry section of the Appendix for worksheets that can be used in this section.


Icon for the Creative Commons Attribution 4.0 International License

Trigonometry by BCIT is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

Share This Book